From @AlexDaniel

AlexDaniel m​: subset MyInt of Int where * < 0; my $x = MyInt(-10);
camelia rakudo-moar e6f360​: OUTPUT«Cannot invoke this object (REPR​:
Uninstantiable, cs = 0)â�¤ in block <unit> at /tmp/ubzNBIPCmM​:1â�¤â�¤Â»
GLRelia rakudo-moar a6bb0b​: OUTPUT«Cannot invoke this object (REPR​:
Uninstantiable, cs = 0)â�¤ in block <unit> at /tmp/MSfFBHi8wP​:1â�¤â�¤Â»

What is �cs = 0�?

Related bug report​: https://rt.perl.org/Public/Bug/Display.html?id=124442

IRC log​: http://irclog.perlgeek.de/perl6/2015-09-02#i_11161639

From @jnthn

On Wed Sep 02 15​:48​:10 2015, alex.jakimenko@​gmail.com wrote​:

AlexDaniel m​: subset MyInt of Int where * < 0; my $x = MyInt(-10);
camelia rakudo-moar e6f360​: OUTPUT«Cannot invoke this object (REPR​:
Uninstantiable, cs = 0)â�¤ in block <unit> at /tmp/ubzNBIPCmM​:1â�¤â�¤Â»
GLRelia rakudo-moar a6bb0b​: OUTPUT«Cannot invoke this object (REPR​:
Uninstantiable, cs = 0)â�¤ in block <unit> at /tmp/MSfFBHi8wP​:1â�¤â�¤Â»

What is �cs = 0�?

Short for "container spec", which approximately boils down to "is the thing in a Scalar container", which in the early days of MoarVM dev was useful info for debugging. Now removed the bunch of stuff in parens; REPR isn't that meaningful to most either.

The RT System itself - Status changed from 'new' to 'open'

@jnthn - Status changed from 'open' to 'resolved'